Method and apparatus for securely transmitting keys from a postage metering apparatus to a remote data center
US6480831B1 · kind B1 · utility
26Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 1998 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Dec 24, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B2017/00774
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method for transmitting a key from a first device to a remotely located second device includes the steps of generating the key within the first device; selecting one of a plurality of one-time pad values from a one-time pad stored within the first device; creating a hash of at least the key and the selected one of the plurality of one-time pad values; and sending the hash and the key from the first device to the second device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.